'
' Will Strohl (will.strohl@gmail.com)
' http://www.willstrohl.com
'
'Copyright (c) 2012, Will Strohl
'All rights reserved.
'
'Redistribution and use in source and binary forms, with or without modification, are 
'permitted provided that the following conditions are met:
'
'Redistributions of source code must retain the above copyright notice, this list of 
'conditions and the following disclaimer.
'
'Redistributions in binary form must reproduce the above copyright notice, this list 
'of conditions and the following disclaimer in the documentation and/or other 
'materials provided with the distribution.
'
'Neither the name of Will Strohl, Simple Redirect, nor the names of its contributors may be 
'used to endorse or promote products derived from this software without specific prior 
'written permission.
'
'THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
'EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 
'OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
'SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
'INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 
'TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 
'BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
'CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 
'ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 
'DAMAGE.
'

Imports DotNetNuke

NameSpace WillStrohl.Modules.SimpleRedirect

    ''' -----------------------------------------------------------------------------
    ''' <summary>
    ''' An abstract class for the data access layer
    ''' </summary>
    ''' <remarks>
    ''' </remarks>
    ''' <history>
    ''' </history>
    ''' -----------------------------------------------------------------------------
    Public MustInherit Class DataProvider

#Region " Shared/Static Methods "

        ' singleton reference to the instantiated object 
        Private Shared p_Provider As DataProvider = Nothing

        ' constructor
        Shared Sub New()
            CreateProvider()
        End Sub

        ' dynamically create provider
        Private Shared Sub CreateProvider()
            p_Provider = CType(Reflection.CreateObject("data", "WillStrohl.Modules.SimpleRedirect", ""), DataProvider)
        End Sub

        ' return the provider
        Public Shared Shadows Function Instance() As DataProvider
            Return p_Provider
        End Function

#End Region

#Region " Abstract methods "

        Public MustOverride Function AddRedirect(ByVal ModuleId As Integer, ByVal RedirectFrom As String, ByVal RedirectTo As String) As Integer
        Public MustOverride Sub UpdateRedirect(ByVal RedirectId As Integer, ByVal ModuleId As Integer, ByVal RedirectFrom As String, ByVal RedirectTo As String)
        Public MustOverride Function GetRedirects(ByVal ModuleId As Integer) As IDataReader
        Public MustOverride Function GetRedirectsReverse(ByVal ModuleId As Integer) As IDataReader
        Public MustOverride Function GetRedirect(ByVal RedirectId As Integer) As IDataReader
        Public MustOverride Function GetRedirectByUrl(ByVal RedirectTo As String) As IDataReader
        Public MustOverride Sub DeleteRedirect(ByVal RedirectId As Integer)

        Public MustOverride Function AddVisitor(ByVal RedirectId As Integer, ByVal ReferringUrl As String, ByVal ReferringDomain As String) As Integer
        Public MustOverride Sub DeleteVisitorsByRedirect(ByVal RedirectId As Integer)
        Public MustOverride Sub DeleteVisitorsByModule(ByVal ModuleId As Integer)
        Public MustOverride Sub ClearVisitorLog()
        Public MustOverride Function GetDomainsByRedirect(ByVal RedirectId As Integer) As IDataReader
        Public MustOverride Function GetRedirectVisitCount(ByVal RedirectId As Integer) As Integer
        Public MustOverride Function GetUrlsByRedirect(ByVal RedirectId As Integer) As IDataReader

#End Region

    End Class

End Namespace